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DM74121 - Monostable multivibrator

Datasheet Summary

Description

The DM74121 is a monostable multivibrator featuring both positive and negative edge triggering with complementary outputs.

An internal 2kΩ timing resistor is provided for design convenience minimizing component count and layout problems.

this device can be used with a single external capacitor.

Features

  • s Triggered from active-HIGH transition or active-LOW transition inputs s Variable pulse width from 30 ns to 28 seconds s Jitter free Schmitt-trigger input s Excellent noise immunity typically 1.2V s Stable pulse width up to 90% duty cycle s TTL, DTL compatible s Compensated for VCC and temperature variations s Input clamp diodes Ordering Code: Order Number DM74121N Package Number N14A Package.

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Datasheet Details

Part number DM74121
Manufacturer Fairchild Semiconductor
File Size 69.03 KB
Description Monostable multivibrator
Datasheet download datasheet DM74121 Datasheet
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Full PDF Text Transcription

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DM74121 One-Shot with Clear and Complementary Outputs June 1989 Revised November 1999 DM74121 One-Shot with Clear and Complementary Outputs General Description The DM74121 is a monostable multivibrator featuring both positive and negative edge triggering with complementary outputs. An internal 2kΩ timing resistor is provided for design convenience minimizing component count and layout problems. this device can be used with a single external capacitor. Inputs (A) are active-LOW trigger transition inputs and input (B) is and active-HIGH transition Schmitttrigger input that allows jitter-free triggering from inputs with transition rates as slow as 1 volt/second. A high immunity to VCC noise of typically 1.5V is also provided by internal circuitry at the input stage.
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